Question

Is changing of milk into curd a reversible change?

Answer 1

Answer:

This is an irreversible process that means milk cannot get back from curd. Formation of new substance and irreversible process shows that setting of curd is a chemical change. Process of conversion of milk into curd : ... The curd forms because of the chemical reaction between the lactic acid bacteria and casein.

Answer 2

Is changing of milk into curd a reversible change?

=> No, It's irreversible change.

Because the product so obtained can't be changed to it's original form.

Due to the lactobacillus bacteria the curd formation takes place.